Home / 108,889,419.30-163,334,128.95-54,469,860.90

Finding the Fourth Proportional to 108,889,419.30, 163,334,128.95 and 54,469,860.90

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Solution

The fourth proportional to 108,889,419.30, 163,334,128.95 and 54,469,860.90 is: 81,704,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,419.30 : 163,334,128.95 = 54,469,860.90 : x
  2. Step 2: Convert to fraction form
    108,889,419.30/163,334,128.95 = 54,469,860.90/x
  3. Step 3: Cross multiply
    108,889,419.30x = 163,334,128.95 × 54,469,860.90
  4. Step 4: Simplify right side
    108,889,419.30x = 8,896,787,284,129,162
  5. Step 5: Solve for x
    x = 8,896,787,284,129,162/108,889,419.30
  6. Step 6: Final answer
    x = 81,704,791.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.